Keysight Technologies E4417A Service Manual

Also see for E4416A: Configuration guide

Contents

Keysight Technologies E4417A Service Manual Manual pdf 66 page image

3 Adjustments72 Keysight E4416A/E4417A Power Meters Service GuideIntroductionThis chapter describes adjustments and checks which ensure proper performanceof the power meter.Adjustments are not usually required on any regular basis. They are normallyperformed only after a performance test has indicated that some parameters areout of specification. Performance tests must be completed after any repairs thatmay have altered the characteristics of the power meter. Performance tests aredetailed in Chapter 2. To determine which performance tests and adjustments toperform after a repair, see “Post-Repair Adjustments” on page 73.Safety ConsiderationsThis warning must be followed for your protection and to avoid damage to theequipment being used.Equipment RequiredThe adjustment procedures include a list of recommended test equipment. Thetest equipment is also identified on the test setup diagrams.WARNING Ad justments described in this chapter are performed with power applied tothe instrument and with protective covers removed. Maintenance should beperformed only by trained personnel who are aware of the hazardsinvol ved. When the maintenance procedure can be performed withoutpower, the power should be removed.